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Problem phenomenon Business level The power of the computer room is cut off abnormally, and the access of the business system is slow after the database is restored. Database level Check the instance and find that only one instance is open and the other instance is not started. RAC cluster level View CR ...

When installing the plug-in, such an error occurs. The reason is that the root user used to locally install the npm package, leaving the file with root ownership, which makes the ordinary user unable to access the file content of root. The error log is as follows: npm ERR! path /Users/Kyle/.npm/_cacache/index-v5/d8/1f/98ab242d0cbad080828ef3e3f ...

Start troubleshooting 1. Error prompt for starting apache service. Starting httpd: httpd: Syntax error on line 211 of /etc/httpd/conf/httpd.conf: Syntax error on line 6 of /etc/httpd/conf.d/php.conf: Cannot load /etc/httpd/modules/libphp5.so into server: libcrypto.so.6: cannot enable executable stack as shared object requires: Permission de ...

Articles Catalogue 1. User login authentication Certification Carding: 1. Use 2. Source code flow 2. Authority 3. Access Frequency Control (Throttle/Limit) Source code flow combing 1. User login authentication a. Some API s require user ...

ACL permission settings brief introduction The function of ACL is to deal with the privilege problem of complex user environment. Whether the system supports ACL is related to the file system. In the previous version of CentOS 7, the partitions created manually by users do not support ACL by default, but the existing partitions are ...